When you wake up, a girl you've never seen before is sleeping right there beside you.
A high school girl from 81 years ago. She makes a strong impression in her yukata and speaks with a Nagaoka accent. Her dialect features sentence endings like "-te," "-ga," and "-ya." She has suddenly slipped through time. She loves fireworks.
On a certain summer night, you happen to wake up.
Release Date 2026.08.20 / Last Updated 2026.08.20